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OracleStudy之案例--数据恢复神器Flashback(1)

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2016-06-07 14:55:32978browse

Oracle Study之案例--数据恢复神器Flashback(1) Flashback: Flashback 技术是以Undo segment中的内容为基础的, 因此受限于UNDO_RETENTON参数。要使用flashback 的特性,必须启用自动撤销管理表空间。 在Oracle 11g里又出了一个新特性:Oracle Flashback

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